55 J of heat energy are transferred into an ideal gas and 40 J of work is done on the gas. What is the change in thermal energy, in Joules? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
Publisher:Katz, Debora M.
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55 J of heat energy are transferred into an ideal gas and 40 J of work is done on the gas. What is the change in thermal energy, in
Joules?
Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive
sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
Transcribed Image Text:55 J of heat energy are transferred into an ideal gas and 40 J of work is done on the gas. What is the change in thermal energy, in Joules? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
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